Finding the Third Proportional to 23,278 and 54,928

Step by Step Solution

1. Step 1: Write the proportion equation
   23,278 : 54,928 = 54,928 : x
2. Step 2: Convert to fraction form
   23,278/54,928 = 54,928/x
3. Step 3: Cross multiply
   23,278x = 54,928 × 54,928
4. Step 4: Simplify right side
   23,278x = 3,017,085,184
5. Step 5: Solve for x
   x = 3,017,085,184/23,278
6. Step 6: Final answer
   x = 129,611.01